Geothermal heat pump

Back to Bryant products

Bryant Geothermal heat pump GCA Evolution™ Variable-speed Geothermal Heat Pump

Bryant Geothermal HVAC Geothermal heat pump Repair, maintenance, and replacement planning
Bryant GCA Evolution™ Variable-speed Geothermal Heat Pump product image

Technical Specifications

Product Specs

  • Energy Star: All sizes qualified
  • EER Efficiency Range: Up to 27.0 EER (closed loop); up to 37.0 EER (open loop)
  • COP Efficiency Range: Up to 4.4 COP (closed loop); up to 5.2 COP (open loop)
  • Compressor Type: Two-Stage
  • Cooling Efficiency: Up to 27.0 EER (closed loop); up to 37.0 EER (open loop)
  • Heating Efficiency: Up to 4.4 COP (closed loop); up to 5.2 COP (open loop)
  • Heating and Cooling: Stages Two-stage operation for efficiency and comfort
  • ENERGY STAR®: ENERGY STAR® qualified in all sizes
  • Quiet Levels: Quiet operation enhanced by full cabinet insulation; double-isolation compressor mounting and compressor sound blanket
  • Filter Cabinet: Built-in for easy filter changes
  • Maintenance: Reminders with Evolution™ Connex™ Control
  • Blower Motor: High-efficiency variable-speed
  • Compressor: Two-stage scroll
  • Control Board: Microprocessor with compressor diagnostic capability
  • Refrigerant: Puron Advance™ refrigerant
  • Refrigerant Management: Thermostatic expansion valve
  • Protection: Corrosion-resistant coil protection for long life
  • Positioning: Vertical upflow, horizontal or vertical downflow units available
  • Brand: Bryant
  • Model or series: GCA Evolution™ Variable-speed Geothermal Heat Pump
  • Equipment type: Geothermal heat pump
  • Product group: Geothermal HVAC
  • System role: Heat pump equipment for heating and cooling
  • Application: Residential, light-commercial, or managed-property comfort applications
  • Compatibility check: Match with compatible indoor unit, coil or air handler, controls, refrigerant, voltage, and capacity.
  • Verified source: bryant.com

Useful troubleshooting details

  • Confirm the outdoor heat pump model, serial number, matched indoor equipment, auxiliary heat setup, thermostat or communicating control, refrigerant, voltage, and capacity.
  • Share no-heat, no-cooling, outdoor icing, defrost behavior, short cycling, weak airflow, control alerts, or unusual noise.
  • For upgrade planning, note whether the project involves ducted, ductless, hybrid, cold-climate, or fossil-fuel-to-heat-pump options.

Service planning

How GreenFlow handles GCA Evolution™ Variable-speed Geothermal Heat Pump requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

Brands We Service

Popular cities

Service Areas

Our Happy Customers